Housing policy data and defensible reform modelling

Housing reform fails when the analytics behind it cannot be defended. Across Australia and the United States, affordability crises are debated with incompatible datasets, incompatible definitions of “supply,” and models whose parameters are never published for peer review.

Defensible housing policy data requires modular models: supply throughput, tenure transitions, tax incidence and demographic flows tested independently before they are combined. SOCii publishes research toward that standard — including open reference scenarios that councils, legal practitioners and advocacy coalitions can rerun with local parameters.

Comparative work between Australian state planning regimes and US metropolitan housing markets reveals a shared problem: closed models allow each jurisdiction to claim evidence while preventing cross-check. Open methodology breaks that deadlock.

For academic researchers, published parameters enable citation and extension. For lawyers in land-use and tenancy practice, transparent baselines support expert evidence. For policymakers, defensible models reduce the risk of implementing reforms that collapse under scrutiny at implementation.

Our housing research articles document assumptions explicitly. We invite scrutiny from housing economists, urban planners and public finance specialists in both countries.